Home / 21,888.13-32,820.45-6,892.43

Finding the Fourth Proportional to 21,888.13, 32,820.45 and 6,892.43

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Solution

The fourth proportional to 21,888.13, 32,820.45 and 6,892.43 is: 10,334.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,888.13 : 32,820.45 = 6,892.43 : x
  2. Step 2: Convert to fraction form
    21,888.13/32,820.45 = 6,892.43/x
  3. Step 3: Cross multiply
    21,888.13x = 32,820.45 × 6,892.43
  4. Step 4: Simplify right side
    21,888.13x = 226,212,654.19
  5. Step 5: Solve for x
    x = 226,212,654.19/21,888.13
  6. Step 6: Final answer
    x = 10,334.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.